package com.study.others.systemOpe;

import java.io.PrintStream;
import java.io.PrintWriter;

import org.junit.Test;

/**
* @Name: SystemOutDemo
* @Description: System.out测试类
* @Author: 李超	lc_jack@foxmail.com
* @CreateDate: 2017-1-16 下午9:15:11 
* @Version: V1.0
 */
public class SystemOutDemo {
	
	@Test
	public void systemOut() {
		System.out.println("hello") ;
		PrintStream out = System.out ;
		out.println("world") ;
	}
}
